Word Search Puzzle Structures (Natural-Artificial)Online version Natural and artificial structures. Look for examples of natural and artificial structures. Technology for spanish speakers by tekneso tekno 1 BUILDING 2 STADIUM 3 BRIDGE 4 BUBBLE 5 SHELL 6 TOWER 7 CAVE 8 CLAM M K D E H E A S F V O A E E A T L K I Y H E M T X S X O I Y I F G E I V B L Q W N P I D K R L U A U U E P G I E V L X L E A I R Z R I N E Y C S X H S L B Y U H B A A T B E P G D U O P M M S A O E E E E I E E O F A D I E V I F R N S A S A I E A P C L A M G N O A U C T Q B U B B L E Q T M